Method and apjpabatbs j



May a, 1927.

E. DANNER METHOD AND APPARATUS FOR FORMING GLASSWARE Filed a- 23. 1920 2 Sheets-Sheet 1mm 0R y 1927' E. BANNER METHOD AND APPARATUS FOR FORMING GLASSWP Filed AuEL 23 1929 2 dsuie shown] 1y EU is 952, am

earn;

31 lav sing the mm hznn Med h tudinal and modifi.

of the adju and m d 5 w and of in. r 11 the hue 75 gme,

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'41 for the vurp meof are. mu

r dravnngs, 1

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v-Wi um (Nahum awzxgn nut UK i med. 105

till

nnrs' he formed the width desired for cominercial use and provided in the formation thereol with pert'ectly straight l re finished edge For instance. it it is.tlesiied to obtain sheet glass for viral shield purposes, the :heet ma he formed the desired width for thtwind shield ecticns and used for such bectioi'is hr merely severing the sheet in the deifi d lcngths. no subsequent finishing of the e es being n paired. This is an int portant feature as it eliminates not only the hu amount of worl; required in trimming sheets to d sired $116 and grinding the sharp edges their-limo. al o iliminates the breiili'agc and ma ttwt gain: which takes place in such operations. ltis found in practice that the dciiociing oi' the sheet while in its volt ccinlition the lnhricatted surface (it the drtlecting in mhcr 33 does not maitlic su face oi the sheet having contact with the deflecting mcml cr or lessen the liriltianc t ll the terms; *ol't.

or "pliant 21 inhtit llh mist. semiset li rcin in describing I V the condition oi lac glass in the lormczt sit/t when coming in c .ntzzct with the dc- :ctiiw in -ins ii is m unt sach a condition t t thegla: :s as w. shcct shape and 21;: with dcilectmg sni'ta permit it to maintain its t he marred by contact and at the same time will pcrmit a tit-c flexing thereof without lirealting. 'lhc Hilliiitl shins ot' the sheet. after leaving the tip or forming means 12 and h tero coining lit \J- 'iltt( with the dcilocting nitans iiil. lioc iiiit .--ntiicicnti chilled and set as o permit handling thereof withon! warring. the icc however. it: a whole "a simicienti soit or pliable to enable l.e trccly licnt .r tiexcd without breakin icw of this it; is c\'itlcnt that the his worn the forming means 112 and 'tilttf nn-ans 3-; should he such that the Fltll fl ch oi tiic wh ct will light: liccomc stillicio1itl rtt iicioi'e coming in contact with the defle ting mcam as to prevent inarring of tin con acting litti stirtace hy the dcllecting m ans and that -nch space is dependent in the sp nal ol ii rw. turn of the glam nini the rapidity of cooling oi thc -hcct a ttcr leaving thc forming incans. in the apprndcd cla ni' the term tip retors to a tcrio'iimi i .ilcr smali in con).- trtl'isnti wit! iltt' :--:;:o ol tiicv mail stab or iroclin' nicmlicr.

r l wisi it nndcrs ood that lii invention isri'. pra ticed in. min-r apparatus than hat l ih-iiittttl and that the arrangement and torn; of tit" parts ot ti 2 apparatu may i Y I he change witwn departing from the l ir t ct the cla ms. l

Haring time dcst l'ilittl no; intention. what i vlaim 11: new.

Patent.

iiliittij moot glass.

glass to lion ll; jttlw il lf litUllL'll along a direrting means and around 0pp0-.

site sides of a tip portion disposed at. the discharge end ot the means, the glass merg ing at the outer edge of the tip portion and flowing therefrom in single sheet form.

:2. The method of forming sheet glass. consisting in flowing a stream of molten glass along and from a directing member, tlicnce around op 'iosite sides of a tip member and causing the stream to merge and flow from the tip memher in single sheet form. the directing mcmhcr and tip memherheing disposed in a hcated atmosphere.

The method of forming sheet glass. consisting in fioning a stream of molten glars along and from a directing means. thence around a tip member. the stream merging and flowing vertically in ingle sheet t'oi-m trom the tip iiltltllltl'. and pro riding a heated atmosphere in which the directing means and tip member are disposed.

4. The method of forming shcct glass.

consisting in flowing a stream of molten glass aloi'ig and from a' directing member and in divided tilm t'orm around opposite sides of a tip mcmhrr. the films merging and llowing in s ngle finished sheet 'l'orm from the tip incmher. and regnlating the stream to cansc a 1ircdctermincd variance of the depth thercot' crosswise of the sheet.

The liit'tliotl of forming sheet glass, consisting in flowing a stream of molten glass along and l'rom a directing means and in divided lilm l |l]l around opposite sides ot a tip member therefor, the tilms merging and Honing by gravity in single finished sheet form vertically from the tip member, and regulating the stream to cause a prcdetermined variance of the depth thcrcot crosswise of the sheet.

ti. The method of forming shcct glass, consisting in flowing a strcain of molten glass along and from an inclined directing surface, thence around opposite sides of a t p member and tausing the stream to merge and flow rerticall) downward from the tip member in single sheet form. and deliccting the sheet: while still in a soft pliant'uondition towards a horizontal direction.

7. The method of forming sheet gltl consisting in flowing a stream of molten glass along and from a directing surface onto a curved intercepting surface. thcnce in tint direrging. and thcn converging dii'cctions along and from directing surfaces.

ts. 'l'he method of forming sheet glass. consisting in flowing molten glass by gravity down an inclined member in a heated atmos phere, the glass lowing around opposite r-ttl..- at a dividing means at, the

ciitl oi the nicinher Hit) fit)

mamas molten glans along FZtl. ttnwn in directing anrl Width regulating ts, 1' 1; ,mg a eplittgng of the stremnlaterallv (ii it: face ny said V v 1 I means at the dtsvlnu em? thereof tn torni separated. tiling, in: mg their inner; laces only in llowlng; COlll-itfh with the tlirei'ting consisting in fiowinq Il'l'jlllill girl from 1. source of supplv town m-chnetl Slill? through a heated: atmosplniw and from the slab nvraund eppnsite sides Hi 3. estimating means and then uniting he separated pertions of the glass and flowing then: if 41:! the inenns in single at -et t'mm.

11. The method of forming sheet ghis consisting in flowing a stream (it nmltcn glass from a sourtre of stqjipiy tlOWli .l bflill) thruugh a. heated atmuspln'ere, separating the stream into latex-all spaced. llllllr; at the (liecharg end nf the slab and. then uniting sin: films and flowing the same in single r-littl form, and regulating the nirmni llnwin; down the slab to impart n prollntvrnnnvtl varying depth thereto t-ru nviw til the v l-lih.

12. The nietllntil of forming *ln-wt glass, consisting in flowing 11 Sll'tlllll ni' nmltl'n glass frmn :1 source (i en gll c tinmnfh :1 tempering chmnliui' tllmn ill. lll 'llllt'tl \lilll. splitting the: ntrmnn at the: -ll l'gjv tllll 0f the slul intu luleizilly wwrznw lihns having their lime faves only nmn i n! taut with the 'clllllllli'lil int-um .tml then nn rw ing the films nnll lltm'ingj ilnwz sheet than from thn tumpozii hnmhm: regulating; the strwini l-r; vzir l 11 thivlrnwe Llironglnnit. its Wltlill it ilHWr untn the slab and naming a vnz'wtl tletll-l-tiun of the sheet flowing from the Sllll) l; mntmt ml the sheet with n snhjment will? ll-llm-ting' means.

13. hi an apparatus l0? forming sheet glass, n heated chamber, means fur directing the flow nt' molten glass tllltill;, 'll the vhaniher and from the discharge tlltl wt" \i'hiuh means the glzlFS flown in sheet form, snitl nnanp'hm' ing a. tip at, its dieclnu'ge eml around which the glass flows in separate films and from which it pneses in single Sheet form.

14. In an npparntns 0f the vi e: descrihell. a heate l Chamber, :1 tlmvnwm'tlly ttYtCllt niean t'n directing: the flow of Illtllttzll glue; thrnugl; the rhmnlwr. and 'i'nemis atv the. dis charge end if the inclined member {01' latnw ally separntii'ig the glues? into films with their outer SltltS expused tn the heat of the chain her the l'lllll rmrgzingr fllltl flowing in single sheet torn t'rmn the iili tzlnzrge einl ml the nit-line.

15. In an apparatus; for forming sheet glass, i-tncilns stream il min Clint-[i [I ilt'tifill i" which that rue-ms 1m far it ul llm it l lllll'l twin t-L. nntl t and t4: merge nit sheet tlmvlng from nmmtninnw ltf-lll'fHZliillElfi ii minnow it 16. h nu l. n; nieie n2; 4

r l. term, w t:

How 31! film in tlnanrni nml lluws tin-n: mining: thf gl it than iver the marine tin: the nltil).

gin W 3hr thev l'ltllltil plus slit-uni intn lilnn; that nae turn: at the tliRt-lntnge enu N 21w for nniintni i the stream er tmnpez lure and fur Utllt'l' snrtuces of the stream run It) ln an apparatus in? 0 .1 :3l|i.':"l' glass, mums lur directing thn on; nl' strewn til g3 fawn: :1 shinnnli' npgity. t-lmling 1:. (lvwnwnwlly threaten htmit"; having :11: adjustable: tip member at H clnn'ge vml whzch :livnlw ilw; lremn lut'trally painted film). that ,t in single Ninet t m: ti n the 5": thert-tit'. and autumn tw btflwimlul 51 5,5 2? pin was Mr heat finishing tin: o'ui nr t Ji'hirl'i ll: glans fin charges in tingle s u 2, means 1'02Qnuinmining' adjustable to vary the thickness of the film, and to suit the direction of desired flow of the sheet therefrcsm.

21. In an apparatus of U1? class described, a slab disposed in a heated and along whim 1x11119511 glass warmifired m flew in regulated in I and a tip member {01* H1? di fiharge (lid of the SM?) whim iatemlly SBPLQI'RUPS the stream mm films and than permita them 1:0 merge and flow thsrefmm in single sheet form, Lha tip member being adjusztable mmiw in the slab to vary the thickness of Hm fiims Waving around the same.

In an apparatus fur forming sheet glass, a heated chamber hrwing an dpvning in its bctbom pnztimn, :1 down wank direwted, slab diSPOSEd Wiihin the SA .1 chamber and down which molten 1s psrnziitm i0 flow by gravity in rgninfied stream fawn, and thence in the {mun of a, sheet through said opening, The shit having provision at its discharge 0nd fer dividing the FUPMH laterafly into film: which twwrge and farm the sheet and which are exwsaii at their outer side: in Hm ciuuubm h 523. In an iymxmmns for glass, mazms far div-wing 121a f! stream of giawx, mm mun? m including if. si h,

sslww? 01" v: sazppi and mid Inning provision merge and flow in snag a v vi proper aesnper'atum :m it means and along the blflb. and vidih m1: mining IUEUJSJQIS pm ting from tin: d J, charge end Yhe :inh m the directiun t Hm How of the sheet flmefmm and in ment with the respeuin: edge .m'tlunof the sheet.

24. In an :1 ppm'snus 0F the whim; damn-1w a slab along and from whim 11141403 1 gig may flow in sheet for; mild membm's jecting from the (lischzu -w llll 01' flu: in the direution 0f mmm: mt m" Nu, m therefrom and in m se-xwm with Hm mlgvs thereof to maintain u; Wifliil of lhv 251w? :1 fur legu'mg tlw shah.

In an :1 'ppzu':u'u, 11f Hm ci -x ivr-wrxhwL 11 1 131;; along and from M11 nwiim: Q may flow in sheet (mm, and azzwnin. jeuting from the xii chn'gv vmi ui' 311s in the div'cuiion n5 mnwmvm of Ilw shwi, therefrom and in ungagzmmmt WM: H? F thereof to maintain UnvwHh M HM? ufful' leaving (he shah. said mvmf'ma adjustable transvcrseiy of the iuh.

26 In an apparatus for fin-mi udjawr :1 iii L an for applying heat to the glass in its flow along said means, and a curved deflecting member snbjacent to the discharge end of said means disposed to coact with and laterally detlect the course of movement of the flowing sheet while the sheet is still in a pliant condition, said deflecting member having its sheet courting surface composed of a composition containing graphite.

34. In an apparatus for forming sheet glass. means for directing the flow of a stream of molten glass and from which the glass flows by gravity in sheet 'l'orm. means for applying heat to the glass in its tlow along said means. anl a curved dellecting member subjaccnt to the discharge end of said means disposed to coa t with and laterally deflect the course ol movement of the flowing sheet while the sheet still in a pliant condition. said deflecting member having its sheet enacting surface composed of graphite and tul'lulll compound.

35.111 an apparatus for forming sheet glass, means for directing the tlow of a stream of molten glass and from which the glass flows by gravity in sheet fornn means for applying heat to the glass in its flow along said means, and a curved deflecting member subjaeent to the discharge end of said means disposed to coact with and laterally deflect the course of movement of the flowing sheet while the sheet is still in a liant condition. said deflecting member )eing hollow to permit the circulation of a cooling fluid therethrough, and having its. sheet coacting surface composed of a' graphitic composition.

36. In an apparatus for forming glassware, means to supply a stream of molten glass and directing means stationary during operation presenting a curved upper surface in position to intercept the stream and presenting downwardly converging side surfaces over which tilms of glass may flow from said upper surface.

37. In an apparatus for forming sheet glass by flowing the molten glass from a receptacle ove an overflow lip, a flow regulator for the molten glass comprising a gate or barrier lowered into the surface glass and projecting further into the glass at the coin ter of the receptacle than adjacent the edges thereof.

38. In an apparatus for forming sheet glass by flowing the molten glass from a receptacle over an overflow lip, a flow regulator for the molten glass, comprising a. practically continuous gate or barrier formed of a series of units arranged edge to edge transversely of the receptacle and capable of being lowered into the stream of molten glass to varying depths.

39.111 an apparatus for forming sheet glass by flowing the molten glass from a receptacle over an overflow lip, a flow regulator for the molten glass, comprising a practically continuous gate or barrier formed of a series of units arranged edge to edge transversely of the receptacle, and an ad justing screw for each unit whereby the units may be individually lowered into the flowing glass to ditferent depths.

In testimony whereof I have hereunto subscribed my name to this specification.

' EDWARD BANNER. 

